 
def aa(name: str=False):
    # if name == 'dsc':
    #     return 'hello dsc'
    # elif name == 'ddd':
    #     return 'go ddd'
    # elif name == 'dss':
    #     return 'go ddd'
    # elif name == 'xxx':
    #     return 'go ddd'
    # else:
    #     return 'go home'
    print('+++ func aa')
    if name == 'dsc':
        return 'hello dsc' 
    else:
        return 'hello ddd'

